PT - JOURNAL ARTICLE AU - Barbara Hall AU - Robert E. Hermann TI - Prevention of postoperative respiratory complications DP - 1975 Jun 20 TA - Cleveland Clinic Journal of Medicine PG - 197--201 VI - 42 IP - 2 4099 - http://www.ccjm.org/content/42/2/197.short 4100 - http://www.ccjm.org/content/42/2/197.full SO - Cleve Clin J Med1975 Jun 20; 42